Unable to install a language model

Type: Bug

1. Install Copilot Chat extension
2. Change to 'Ask' mode
3. Click 'Pick Model' and attempt to click on various models provided in dropdown

No models can be added or utilising by the chat function

Extension version: 0.33.5
VS Code version: Code 1.106.3 (bf9252a2fb45be6893dd8870c0bf37e2e1766d61, 2025-11-25T22:28:18.024Z)
OS version: Windows_NT x64 10.0.26200
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|Intel(R) Core(TM) i7-14700 (28 x 2112)|
|GPU Status|2d_canvas: enabled
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|31.69GB (16.22GB free)|
|Process Argv||
|Screen Reader|no|
|VM|50%|

A/B Experiments

```
vsliv368cf:30146710
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
envsactivate1:31551504
cloudbuttont:31379625
3efgi100_wstrepl:31403338
ec5jj548:31422691
cp_cls_t_966_ss:31526232
8hhj4413:31478653
ge8j1254_inline_auto_hint_haiku:31491949
cp_cls_c_1081:31454833
copilot-nes-callisto-003:31474647
conptydll_true:31498968
nes-set-to-on:31463705
e9c30283:31461165
chat:31457767
23c7c724:31520045
ddid_t:31478206
cp_cls_t_1082:31535311
db5d2638:31499441
jb_cp_cls_t_632:31543129
56dj4588:31512888
ha629193:31508444
jbcp_cls_pctr_t:31531130
cp_intellij_t_nes:31548657
jf4hg949:31526829
ihg5j128:31534457
7g2b5551:31542111
1h923230:31564177
treatment-23-1:31555779
unuse_dynamic_mcp:31555281
mangle-name-treatment:31572634
intellij_nes_preview_t:31580086

```